B demonstrates accurate knowledge of most course content; expresses ideas clearly with strong control of structure and mechanics; often indicates curiosity, creativity, insight, and initiative; has very good work habits; exhibits cooperation and engagement in class activities.
C suggests competent grasp of basic course content; expresses ideas in organized form with adequate control of terminology and mechanics; shows understanding of main ideas and some relationships; displays suitable effort and cooperative attitude to learning.
D suggests minimal knowledge of course content; may present ideas unclearly; may lack understanding of essential ideas and relationships; may use faulty or inadequate reasoning; may exhibit poor effort/attitude toward learning; may resist help; may fail to meet deadlines; needs more active involvement in and personal contribution to learning.
E demonstrates unacceptable level of understanding of course content; indicates inadequate skills; may imply lack of preparation, effort, and classroom involvement.